diff options
| author |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2022-08-01 08:59:31 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2022-08-01 08:59:31 -0300 |
| commit | 18808564aa3bc9ae3309fd8a5c0a93f7f9a23f9a (patch) | |
| tree | 4c1732a2dddb246f0d39a492cbf8e6db31f3af3e /arch/x86/kernel/cpu/bugs.c | |
| parent | perf stat: Add topdown metrics in the default perf stat on the hybrid machine (diff) | |
| parent | Linux 5.19 (diff) | |
| download | linux-dev-18808564aa3bc9ae3309fd8a5c0a93f7f9a23f9a.tar.xz linux-dev-18808564aa3bc9ae3309fd8a5c0a93f7f9a23f9a.zip | |
Merge remote-tracking branch 'torvalds/master' into perf/core
To pick up the fixes that went upstream via acme/perf/urgent and to get
to v5.19.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'arch/x86/kernel/cpu/bugs.c')
| -rw-r--r-- | arch/x86/kernel/cpu/bugs.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c index 6454bc767f0f..6761668100b9 100644 --- a/arch/x86/kernel/cpu/bugs.c +++ b/arch/x86/kernel/cpu/bugs.c @@ -1520,6 +1520,7 @@ static void __init spectre_v2_select_mitigation(void) * enable IBRS around firmware calls. */ if (boot_cpu_has_bug(X86_BUG_RETBLEED) && + boot_cpu_has(X86_FEATURE_IBPB) && (boot_cpu_data.x86_vendor == X86_VENDOR_AMD || boot_cpu_data.x86_vendor == X86_VENDOR_HYGON)) { |